XmlElement.RemoveAttributeNode Method

Definition

Namespace:

System.Xml

Assembly:

System.Xml.ReaderWriter.dll

Removes an XmlAttribute.

Overloads

RemoveAttributeNode(XmlAttribute)	Removes the specified XmlAttribute.
RemoveAttributeNode(String, String)	Removes the XmlAttribute specified by the local name and namespace URI. (If the removed attribute has a default value, it is immediately replaced).

RemoveAttributeNode(XmlAttribute)

Source:

XmlElement.cs

Removes the specified XmlAttribute.

public:
 virtual System::Xml::XmlAttribute ^ RemoveAttributeNode(System::Xml::XmlAttribute ^ oldAttr);

public virtual System.Xml.XmlAttribute? RemoveAttributeNode (System.Xml.XmlAttribute oldAttr);

abstract member RemoveAttributeNode : System.Xml.XmlAttribute -> System.Xml.XmlAttribute
override this.RemoveAttributeNode : System.Xml.XmlAttribute -> System.Xml.XmlAttribute

Public Overridable Function RemoveAttributeNode (oldAttr As XmlAttribute) As XmlAttribute

Parameters

oldAttr

XmlAttribute

The XmlAttribute node to remove. If the removed attribute has a default value, it is immediately replaced.

Returns

XmlAttribute

The removed XmlAttribute or null if oldAttr is not an attribute node of the XmlElement.

Exceptions

ArgumentException

This node is read-only.

RemoveAttributeNode(String, String)

Source:

XmlElement.cs

Removes the XmlAttribute specified by the local name and namespace URI. (If the removed attribute has a default value, it is immediately replaced).

public:
 virtual System::Xml::XmlAttribute ^ RemoveAttributeNode(System::String ^ localName, System::String ^ namespaceURI);

public virtual System.Xml.XmlAttribute? RemoveAttributeNode (string localName, string? namespaceURI);

abstract member RemoveAttributeNode : string * string -> System.Xml.XmlAttribute
override this.RemoveAttributeNode : string * string -> System.Xml.XmlAttribute

Public Overridable Function RemoveAttributeNode (localName As String, namespaceURI As String) As XmlAttribute

Parameters

localName

String

The local name of the attribute.

namespaceURI

String

The namespace URI of the attribute.

Returns

XmlAttribute

The removed XmlAttribute or null if the XmlElement does not have a matching attribute node.

Exceptions

ArgumentException

This node is read-only.

Examples

The following example removes an attribute from an element.

#using <System.Xml.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
int main()
{
   XmlDocument^ doc = gcnew XmlDocument;
   doc->LoadXml( "<book xmlns:bk='urn:samples' bk:ISBN='1-861001-57-5'><title>Pride And Prejudice</title></book>" );
   XmlElement^ root = doc->DocumentElement;
   
   // Remove the ISBN attribute.
   root->RemoveAttributeNode( "ISBN", "urn:samples" );
   Console::WriteLine( "Display the modified XML..." );
   Console::WriteLine( doc->InnerXml );
}

using System;
using System.IO;
using System.Xml;

public class Sample
{
  public static void Main()
  {

    XmlDocument doc = new XmlDocument();
    doc.LoadXml("<book xmlns:bk='urn:samples' bk:ISBN='1-861001-57-5'>" +
                "<title>Pride And Prejudice</title>" +
                "</book>");

    XmlElement root = doc.DocumentElement;

    // Remove the ISBN attribute.
    root.RemoveAttributeNode("ISBN", "urn:samples");

    Console.WriteLine("Display the modified XML...");
    Console.WriteLine(doc.InnerXml);
  }
}

Imports System.IO
Imports System.Xml

public class Sample

  public shared sub Main()

    Dim doc as XmlDocument = new XmlDocument()
    doc.LoadXml("<book xmlns:bk='urn:samples' bk:ISBN='1-861001-57-5'>" & _
                "<title>Pride And Prejudice</title>" & _
                "</book>")

    Dim root as XmlElement = doc.DocumentElement

    ' Remove the ISBN attribute.
    root.RemoveAttributeNode("ISBN", "urn:samples")
    
    Console.WriteLine("Display the modified XML...")
    Console.WriteLine(doc.InnerXml)

  end sub
end class